At their pre-Tokyo Game Show press conference, Sony has announced Gravity Rush 2 will be coming to the PS4.
The game is slated for release next year, and judging by the trailer there will be a new co-op gameplay mode. At this stage no further information has been revealed.
Sony also revealed Gravity Rush Remastered will be coming to the PS4 in February 2016. The game is a port of the PS Vita original and will contain all previously released DLC.